. >> michelle obama, she did bring down the house here. while she was here, it was the first day of school back in washington. and that was topic number one at the white house, we're told. >>> up next, it wasn't just michelle obama's big night, it was a big night for a political newcomer. a rising star, julian castro who made a speech for the history books. we've been behind the scenes with him. up next. [ diana ] power was very important to me. we test-drove the camry, took it on the freeway, and it was just like -- this was the car for me. [ ryan ] it has stuf that guys like, like the rims and the sleekness to the body. and, then, had the bluetooth and the navigation that diana really wanted. [ diana ] and it was a sport edition, so it felt really grounded to the ground. [ man ] grounded to the ground? yes, yes! grounded to the ground. [ male announcer ] see their story and more at the camry effect. camry. from toyota. there's so many choices. the guests come in and they're like yeah i want to try this shrimp and i want to try this kind.